Improvement in ruffling or plaiting attachments for sewing-machines



F. SIEVEBS & W. HILDEBBAND.

Bali" or Planting Mtichnants for Soviag-Iachiau.

N0,I52,2S4, Patentodlune 23,1874.

Z iii/215mm Mm MAM O; 4 7 am" nuns UNITED STATES PATENT OFFICE.

FREDERICK SIEYE {S AX!) 'TLLIA HILDEBRAND, ()F FORT \VAYNE, IND.

IMPROVEMENT IN RUFFLING 0R PLMTING ATTACHMENTS FOR SEWING-MACHINES.

Specification forming part of Letters Patent No. 159.954, dated June23,1874 application filed June 5, 1874.

To all rrhom it may concern:

Be it. known that we, Funnsnrck Srravsns and \\'rr.r.r.'..\rlllLDl-lllltANl), of Fort \Va vne, in the county of Allen aml State oflmliana, have invented certain new and useful Inr provemcnts inltutiling or l'laiting Attachments for Sewing-Machines; and we do here bv declare that the following is a full aml exact description thereof,reference being had to the accompanying drawings, and to the letters ofreference marked thereon, in which like letters refer to like parts inthe ditfcrent figures.

To enable others skilled in the arts to make arnl use our invention, wewill proceed to describe its construction and operation.

in the drawings, Figure 1 is a side elevation. Fig. 2 is a plan view.Fig. 3 is a side elevation.

The nature of our invention consists in the construction arnl operationof an apparatus to be used for the purpose of forming plaits in cloth,and presenting them in such a mannor that they may be stitchedseparately or to another piece of cloth, said apparatus forrning anattachment to a sewing-machine.

In the drawings, A represents a reciprocating bar, which is supported bymeans of suitable ways, in which it moves. Said ways a are formed onclamps 13. Bar A is provided on its upper surface with teeth, into whichpawls b and 0 take. Said pawl 11 is actuated by arm (I, which is pivotedto rock-shaft g. lawl c is secured to and actuated by arm h, which isalso secured to rock-shaft g. When motion is imparted to rock-shaft 9,said pawls are alternately forced in opposite directions. U representsan oscillating lever, which is secured to a vibrating arm, 1', pivoted,as seen at Ir, at its center, arnl on its lower edge is formed aV-shaped projection, m, which operates upon one of like form on theupper surface of spring I. When said bar G oscillates said projection mpresses said spring downward, and passes over projection in thereon. 1)represents a stop, which is formed on reciprtxsating bar A, and presentsan in clined surface to the inclined surface on the end of oscillatinghart. 1-) represents an ad justable stop. which is also pmvidcd with aninclined surface. which act upon a like surface on the adjacent cml ofbar (3. When rockshaft 9 is operated, movement is imparted to bar Athrough one of the pawls, the other, at the time, being disengaged bythe oscillating bar L. Thus said bar A is carried forward until stop I)impinges the inclined surface of bar C, and forces it downward, and atthe sanrc time carries projection m over projection m on spring I. Theopposite end of said bar is thus elevated, and the pawl is disengaged.At the same time the opposite pawl engages the ratchet, and the movementof the bar is reversed, and is carried back to the stop on the oppositeend, where a like result is produced. Thus an intermittent reciprocatingmotion is produced; but it is necessary, in order to produce the desiredetl'cet, that the outward movement of the bar A be much slower than thereturn movement. This end is attained by securing the pawl to an armhaving a shorter stroke than that to which the other is secured. It isalso necessary that the length of the stroke should be made adjustablefor the purpose of increasing or diminishing the fullness of the plaits.This object is attained by pivoting a recessed arm, n, on alirre withrock-shaft y; to its lower end pawl C is attached. Arm h is slotted soas to adnrit an adjustable pin. 0, which passes through recessed arm (I.Said recess is V shaped, as seen in the drawings in dotted lines. Anychange of position of pin 0 causes a corresponding change in the lengthof said arm, thus increasing or decreasing the fullness of the plaits.II represents a stationary bar. which is secured to clamp ll by anysuitable means. Said bar is made thin and flexible. and is so placedthat its inner end extends nearly to the needle umler the foot-piece l.which is also secured to said clamp. J r presents a plait-folder, whichis secured to bar A. and reeiprocates with it. Said folder rests on orimmediately above bar ll.

\Vhcn cloth is to be plaited and sti ched to another piece. that to bestitched to the plans is placed under bar II in the usual manner. whilethat to be plaited is placed between bar ll and plait-foldcr .l. so asto extend under fwd-piece l. plait tolder J forms the plaits. andpresenh them to the needle. when the are stit hed to The reciprocatingmotion of the under cloth. When pluits are to be made E, and spring I,each being constructed as singly the cloth is inserted as before,omitdescribed, for the purpose of alternately disting the under cloth.

engaging pawls b and c from ratchet-bar A,

What we claim as new, and desire to secure and thus reversing itsmotion.

by Isttcrs Patent, is-

1. Arm d, pawl b, arm h, and pawl 0, each constructed and operating inthe manner and for the purpose substantially as described.

2. Oscillating bar 0, stop 1), adjustable stop FREDERICK SIEVERS. WM.HILDEBBAND. Attest:

J .W. HAYDEN, H. F. Wmnsox.

